linux/drivers/tty
David Rientjes 08ab9b10d4 mm, oom: force oom kill on sysrq+f
The oom killer chooses not to kill a thread if:

 - an eligible thread has already been oom killed and has yet to exit,
   and

 - an eligible thread is exiting but has yet to free all its memory and
   is not the thread attempting to currently allocate memory.

SysRq+F manually invokes the global oom killer to kill a memory-hogging
task.  This is normally done as a last resort to free memory when no
progress is being made or to test the oom killer itself.

For both uses, we always want to kill a thread and never defer.  This
patch causes SysRq+F to always kill an eligible thread and can be used to
force a kill even if another oom killed thread has failed to exit.

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-21 17:54:58 -07:00
..
hvc TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
ipwireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-03-20 21:04:47 -07:00
serial tty and serial merge for 3.4-rc1 2012-03-20 11:24:39 -07:00
vt TTY: Wrong unicode value copied in con_set_unimap() 2012-03-15 13:28:52 -07:00
amiserial.c TTY: amiserial, use tty_port_close_start 2012-03-08 12:50:02 -08:00
bfin_jtag_comm.c TTY: remove re-assignments to tty_driver members 2012-03-08 11:37:58 -08:00
cyclades.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
ehv_bytechan.c TTY: remove re-assignments to tty_driver members 2012-03-08 11:37:58 -08:00
isicom.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
Kconfig tty/powerpc: early udbg consoles can't be modules 2012-02-24 16:11:50 -08:00
Makefile
moxa.c tty: moxa: fix bit test in moxa_start() 2012-03-08 12:55:48 -08:00
moxa.h
mxser.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
mxser.h
n_gsm.c TTY: remove re-assignments to tty_driver members 2012-03-08 11:37:58 -08:00
n_hdlc.c
n_r3964.c
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c
nozomi.c TTY: remove re-assignments to tty_driver members 2012-03-08 11:37:58 -08:00
pty.c TTY: remove re-assignments to tty_driver members 2012-03-08 11:37:58 -08:00
rocket_int.h
rocket.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
rocket.h
synclink_gt.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-03-20 21:12:50 -07:00
synclink.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
synclinkmp.c TTY: remove unneeded tty->index checks 2012-03-08 11:42:21 -08:00
sysrq.c mm, oom: force oom kill on sysrq+f 2012-03-21 17:54:58 -07:00
tty_audit.c
tty_buffer.c
tty_io.c TTY: remove tty driver re-set from tty_reopen 2012-03-08 11:38:50 -08:00
tty_ioctl.c
tty_ldisc.c
tty_mutex.c
tty_port.c TTY: fix UV serial console regression 2012-01-24 12:55:37 -08:00